Home / 37,270.03-55,906.80-12,312.31

Finding the Fourth Proportional to 37,270.03, 55,906.80 and 12,312.31

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Solution

The fourth proportional to 37,270.03, 55,906.80 and 12,312.31 is: 18,469.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,270.03 : 55,906.80 = 12,312.31 : x
  2. Step 2: Convert to fraction form
    37,270.03/55,906.80 = 12,312.31/x
  3. Step 3: Cross multiply
    37,270.03x = 55,906.80 × 12,312.31
  4. Step 4: Simplify right side
    37,270.03x = 688,341,852.71
  5. Step 5: Solve for x
    x = 688,341,852.71/37,270.03
  6. Step 6: Final answer
    x = 18,469.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.